Home / 20,092.43-30,138.35-4,895.04

Finding the Fourth Proportional to 20,092.43, 30,138.35 and 4,895.04

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Solution

The fourth proportional to 20,092.43, 30,138.35 and 4,895.04 is: 7,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.43 : 30,138.35 = 4,895.04 : x
  2. Step 2: Convert to fraction form
    20,092.43/30,138.35 = 4,895.04/x
  3. Step 3: Cross multiply
    20,092.43x = 30,138.35 × 4,895.04
  4. Step 4: Simplify right side
    20,092.43x = 147,528,404.31
  5. Step 5: Solve for x
    x = 147,528,404.31/20,092.43
  6. Step 6: Final answer
    x = 7,342.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.